The support base is made of foam, whereas the Sealy Posturepedic Hybrid mattress has a pocketed coil base. The GravityLux’s cover has a type of pillow top design that the Sealy Posturepedic ...

Indicates the main composition of the mattress, such as innerspring or memory foam. Some so-called "hybrid" innersprings include one or more levels of foam on top.

Sealy Posturepedic mattresses have been designed ... one of our favourite pocket sprung mattresses. This is a pillow top mattress, which means it has a pillow layer, like a soft mattress topper ...